Touched by Fire: The Most Beautiful Redheads in the World

20. Alyson Hannigan
Hannigan has been acting since she was just 4 years old and most folks will recognize her from something. Whether you loved her on How I Met Your Mother or Buffy, Hannigan has been hard to look away from. Hannigan’s blend of approachable and gorgeous, coupled with the red hair, is a killer combination.